@Hui Wang Eventually, i have applied your patch to the kernel. I have DAC1 and DAC2 now and somehow sound is better now than before, but rear speakers are not working. If i change the level of DAC1 - the sound volume changes, but the changing of DAC2 level does nothing.
Update: The alsa-info is here http://alsa-project.org/db/?f=08f7b48d840592556650cb156e51831780127958 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1926165 Title: Bass speakers not enabled on Lenovo Yoga 9i To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1926165/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
